[1] Němec M.: Fundamentals of Computer Graphics. https://blender.vsb.cz/fundamentals-of-computer-graphics/.
[2] Dave Shreiner, Graham Sellers, John M. Kessenich, Bill M. Licea-Kane: Opengl Programming Guide, ISBN 978-0-321-77303-6 , http://it-ebooks.info/book/2138/.
[3] Khronos Group, OpenGL: the industry’s foundation for high performance graphics,2020. See http://www.opengl.org/.
[4] Khronos Group, OpenGL Overview - The Khronos Group Inc, 2020. See https://www.khronos.org/opengl/.